• Bump opentui version

Core

• Enabled prompt caching and cache token tracking for Google Vertex Anthropic. (@major)
• Fixed Azure provider options being forwarded correctly after the AI SDK v6 migration.

TUI

• Fixed plugin replace slots mounting content more than once.

Thank you to 2 community contributors:

• @major:
  • feat: enable prompt caching and cache token tracking for google-vertex-anthropic (#20266)
• @github-actions[bot]:
  • Update VOUCHED list

Core

• Add a dedicated system prompt for Kimi models. (@Yuxin-Dong)

TUI

• Improve TUI terminal output passthrough so external command output renders more reliably.

Extensions

• Skip plugins that do not expose a matching server or TUI entrypoint, warn instead of failing, and apply default options from package exports on install.
• Pin explicit plugin versions during install and block package install scripts from running.

Thank you to 1 community contributor:

• @Yuxin-Dong:
  • feat: add a dedicated system prompt for Kimi models (#20259)

Core

• Subagent tool calls stay clickable while they are pending.
• Improved storage migration reliability so malformed legacy records or failed migrations do not corrupt upgraded state.

TUI

• Improved muted text contrast in the Catppuccin themes.

Core

• Fixed plugin entrypoint resolution for paths without leading dot

No notable changes

Core

• Added first-class PowerShell support on Windows
• Plugin installs now preserve JSONC comments in configuration files
• Fixed OPENCODE_DISABLE_CLAUDE_CODE_PROMPT not being respected for project-level CLAUDE.md

TUI

• Improved variant modal behavior to be less intrusive
• Added theme colors for dialog textarea placeholders

Thank you to 2 community contributors:

• @KnutZuidema:
  • fix: discourage _noop tool call during LiteLLM compaction (#18539)
• @yejiming:
  • docs: rename patch tool to apply_patch and clarify apply_patch behavior (#19979)

Unreleased Changes

TUI

• PR #19917: Fixed variant dialog search so typing now properly filters the list of variants

Desktop

Core

• PR #19758: Fixed token usage double-counting for Anthropic and Amazon Bedrock providers that caused inflated token counts in session metrics

Core

• Fix plugin hooks to properly handle async operations
• Adjust GPT prompt to be more minimal and fix file reference annoyances

Core

• Add prompt slot feature
• Update opencode-gitlab-auth to 2.0.1 (@vglafirov)
• Refactored session processor to use effect-based architecture
• Use AppFileSystem instead of raw Filesystem for better abstraction
• Upgrade OpenTUI to version 0.1.91
• Adjust bash tool description to increase cache hit rates between projects
• Update Effect to version 4.0.0-beta.42
• Refactor session compaction service to use Effect
• Add single target plugin entrypoints
• Use ChildProcessSpawner instead of Process.spawn for formatting
• Move more responsibility to workspace routing
• Refactor Session service to use Effect-based architecture
• Add support for AI SDK v6
• Add additional overflow error patterns to error handling
• Fix flaky plugin tests by removing mock.module which is not supported in Bun
• Split out instance and route through workspaces
• Effectify Plugin service internals
• Effectify Skill service internals
• Add TUI plugins support
• Refactor tool registry to yield Config and Plugin services using Effect.forEach
• Ignore generated models snapshot files
• Replace async git() with ChildProcessSpawner in VCS module
• Yield services instead of promise facades in Effect refactor
• Fixed web UI bundle build on Windows
• Improve app startup performance
• Close MCP transport on failed or timed-out connections
• Use cachedInvalidateWithTTL for config and bump Effect to beta.37
• Refactor Config service to use Effect
• Remove workspace server and WorkspaceContext, improve routing architecture
• Add GPT prompt so non-Codex GPT models have their own system prompt modeled after Codex CLI
• Refactor LSP service with InstanceState using Effect

TUI

• Use theme color for prompt placeholder
• Add dialog variant menu and improve subagent functionality
• Open dialog for model variant selection instead of cycling
• Check KV theme before falling back to default theme
• Add top spacing to session view and remove obsolete documentation prompt
• Restore subagent footer and fix style guide violations
• Add model variant selection dialog
• Remove variant cycle display from footer
• Move session context into prompt footer

Desktop

• Improved app startup efficiency
• Use Azure Artifact Signing for Windows releases
• Default file tree to closed with minimum width
• Resize layout viewport when mobile keyboard appears (@BYK)
• Persist queued followups across project switches
• Reduce markdown jank while responses stream in UI
• Remove fork session button from app
• Default shell tool to collapsed state
• Don't bundle fonts in app

Thank you to 3 community contributors:

• @BYK:
  • fix(app): resize layout viewport when mobile keyboard appears (#15841)
• @vglafirov:
  • fix: update opencode-gitlab-auth to 2.0.1 (#19552)
• @gigamonster256:
  • fix: respect semver build identifiers for nix (#11915)
  • fix: nix embedded web-ui support (#19561)